Homemade hand crank flashlight

This is a hand crank flashlight made of a stepping motor.Turning crank, the super capacitor is charging and LEDs are ligting. Materials : Stepping motor with

Super Capacitor Hand Cranked Charger Circuit - Homemade Circuit Projects

Friction Flashlight

How does a homemade hand crank flashlight work? - Quora

Making Homemade Flashlights for the Get Moving! Energy Journey Girl scout activities, Boy scout activities, Junior girl scouts activities

How are flashlights made? - Quora

8 Pack Hand Crank Flashlight 3 LED Flashlight Powerful Emergency Safety Tool No Battery Required for Camping, Hiking, Outdoor Sports and Home Power Outage (Multi Color)

Build a Simple Hand Crank Flashlight

Build a DIY Hand-Cranked USB Charger

Electromagnetic Experiment

Solar Powered Dynamo Flashlight Hand Crank Emergency Torch Super Bright Mini Camping Light Waterproof for Fishing Boating Hiking - AliExpress

How Do LED Flashlights Work? - STKR Concepts

Electronic Projects